Home / 102,528,007.80-153,792,011.70-64,307,412.60

Finding the Fourth Proportional to 102,528,007.80, 153,792,011.70 and 64,307,412.60

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Solution

The fourth proportional to 102,528,007.80, 153,792,011.70 and 64,307,412.60 is: 96,461,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528,007.80 : 153,792,011.70 = 64,307,412.60 : x
  2. Step 2: Convert to fraction form
    102,528,007.80/153,792,011.70 = 64,307,412.60/x
  3. Step 3: Cross multiply
    102,528,007.80x = 153,792,011.70 × 64,307,412.60
  4. Step 4: Simplify right side
    102,528,007.80x = 9,889,966,350,975,926
  5. Step 5: Solve for x
    x = 9,889,966,350,975,926/102,528,007.80
  6. Step 6: Final answer
    x = 96,461,118.90

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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.