Home / 105,048,429.10-157,572,643.65-103,613,538.40

Finding the Fourth Proportional to 105,048,429.10, 157,572,643.65 and 103,613,538.40

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Solution

The fourth proportional to 105,048,429.10, 157,572,643.65 and 103,613,538.40 is: 155,420,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,048,429.10 : 157,572,643.65 = 103,613,538.40 : x
  2. Step 2: Convert to fraction form
    105,048,429.10/157,572,643.65 = 103,613,538.40/x
  3. Step 3: Cross multiply
    105,048,429.10x = 157,572,643.65 × 103,613,538.40
  4. Step 4: Simplify right side
    105,048,429.10x = 16,326,659,163,618,792
  5. Step 5: Solve for x
    x = 16,326,659,163,618,792/105,048,429.10
  6. Step 6: Final answer
    x = 155,420,307.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.