Home / 56,007,901.08-77,239,538.72-38,392,403.40

Finding the Fourth Proportional to 56,007,901.08, 77,239,538.72 and 38,392,403.40

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Solution

The fourth proportional to 56,007,901.08, 77,239,538.72 and 38,392,403.40 is: 52,946,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007,901.08 : 77,239,538.72 = 38,392,403.40 : x
  2. Step 2: Convert to fraction form
    56,007,901.08/77,239,538.72 = 38,392,403.40/x
  3. Step 3: Cross multiply
    56,007,901.08x = 77,239,538.72 × 38,392,403.40
  4. Step 4: Simplify right side
    56,007,901.08x = 2,965,411,528,968,159.50
  5. Step 5: Solve for x
    x = 2,965,411,528,968,159.50/56,007,901.08
  6. Step 6: Final answer
    x = 52,946,307.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.