Home / 105,307,943.16-157,931,066.35-39,681,733.55

Finding the Fourth Proportional to 105,307,943.16, 157,931,066.35 and 39,681,733.55

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Solution

The fourth proportional to 105,307,943.16, 157,931,066.35 and 39,681,733.55 is: 59,510,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,307,943.16 : 157,931,066.35 = 39,681,733.55 : x
  2. Step 2: Convert to fraction form
    105,307,943.16/157,931,066.35 = 39,681,733.55/x
  3. Step 3: Cross multiply
    105,307,943.16x = 157,931,066.35 × 39,681,733.55
  4. Step 4: Simplify right side
    105,307,943.16x = 6,266,978,493,428,018
  5. Step 5: Solve for x
    x = 6,266,978,493,428,018/105,307,943.16
  6. Step 6: Final answer
    x = 59,510,976.14

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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.